drm/amdgpu: fix UVD/VCE fence handling

We need to return the sequence number to userspace
even when we don't use user fences.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index f3ac9d8a5691..42d6298eb9d7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -88,6 +88,7 @@ int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
         ib->fence = NULL;
         ib->user = NULL;
         ib->vm = vm;
+        ib->ctx = NULL;
         ib->gds_base = 0;
         ib->gds_size = 0;
         ib->gws_base = 0;
@@ -214,13 +215,15 @@ int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
                 return r;
         }
 
+        if (ib->ctx)
+                ib->sequence = amdgpu_ctx_add_fence(ib->ctx, ring,
+                                                    &ib->fence->base);
+
         /* wrap the last IB with fence */
         if (ib->user) {
                 uint64_t addr = amdgpu_bo_gpu_offset(ib->user->bo);
-                ib->user->sequence = amdgpu_ctx_add_fence(ib->ctx, ring,
-                                                          &ib->fence->base);
                 addr += ib->user->offset;
-                amdgpu_ring_emit_fence(ring, addr, ib->user->sequence,
+                amdgpu_ring_emit_fence(ring, addr, ib->sequence,
                                        AMDGPU_FENCE_FLAG_64BIT);
         }